Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1988-10-14
1990-05-08
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188358, 188356, 303 50, 303119, B60T 844, F15B 708
Patent
active
049232568
ABSTRACT:
A resettable booster is disclosed including a booster chamber in communication with a resetting chamber through a closable connection. For pressure relief of the master brake cylinder, valves are switched so that the booster piston is pressure-balanced and the master brake cylinder force shifts the booster piston back into the brake release position. The pressure fluid is supplied from the booster chamber into the resetting chamber. Advantageously, the volume intake of the booster is small, hence allowing the use of an extremely simple pressure source construction. The pressure source is a cylinder with an accumulator chamber that is confined by a piston, wherein the piston is moved by the difference in pressure between the atmosphere and the vacuum in the intake side internal-combustion engine of the vehicle.
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Belart Juan
Klein Hans-Christof
Alfred Teves GmbH
Butler Douglas C.
Seitter Robert P.
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